/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 12:56:03,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 12:56:03,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 12:56:03,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 12:56:03,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 12:56:03,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 12:56:03,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 12:56:03,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 12:56:03,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 12:56:03,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 12:56:03,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 12:56:03,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 12:56:03,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 12:56:03,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 12:56:03,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 12:56:03,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 12:56:03,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 12:56:03,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 12:56:03,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:56:03,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 12:56:03,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 12:56:03,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-14 12:56:04,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 12:56:04,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 12:56:04,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 12:56:04,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 12:56:04,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 12:56:04,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-14 12:56:05,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 12:56:05,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 12:56:05,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-14 12:56:05,505 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9389e7472/608345b36741447f997d823fa812d73a/FLAGfa04389af [2024-11-14 12:56:05,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9389e7472/608345b36741447f997d823fa812d73a [2024-11-14 12:56:05,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 12:56:05,781 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 12:56:05,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 12:56:05,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 12:56:05,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 12:56:05,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:56:05" (1/1) ... [2024-11-14 12:56:05,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f02cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:05, skipping insertion in model container [2024-11-14 12:56:05,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:56:05" (1/1) ... [2024-11-14 12:56:05,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 12:56:06,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2024-11-14 12:56:06,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:56:06,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 12:56:06,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2024-11-14 12:56:06,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 12:56:06,385 INFO L204 MainTranslator]: Completed translation [2024-11-14 12:56:06,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06 WrapperNode [2024-11-14 12:56:06,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 12:56:06,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 12:56:06,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 12:56:06,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 12:56:06,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,427 INFO L138 Inliner]: procedures = 378, calls = 91, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 262 [2024-11-14 12:56:06,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 12:56:06,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 12:56:06,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 12:56:06,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 12:56:06,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 12:56:06,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 12:56:06,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 12:56:06,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 12:56:06,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (1/1) ... [2024-11-14 12:56:06,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 12:56:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:56:06,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 12:56:06,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 12:56:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 12:56:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 12:56:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 12:56:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 12:56:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 12:56:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 12:56:06,510 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 12:56:06,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 12:56:06,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 12:56:07,032 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 12:56:07,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 12:56:07,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 12:56:07,082 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-14 12:56:07,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:56:07 BoogieIcfgContainer [2024-11-14 12:56:07,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 12:56:07,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 12:56:07,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 12:56:07,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 12:56:07,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 12:56:05" (1/3) ... [2024-11-14 12:56:07,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70482899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:56:07, skipping insertion in model container [2024-11-14 12:56:07,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:56:06" (2/3) ... [2024-11-14 12:56:07,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70482899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:56:07, skipping insertion in model container [2024-11-14 12:56:07,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:56:07" (3/3) ... [2024-11-14 12:56:07,092 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2024-11-14 12:56:07,103 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 12:56:07,104 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_94-alloc_region_racing.i that has 2 procedures, 241 locations, 1 initial locations, 13 loop locations, and 2 error locations. [2024-11-14 12:56:07,104 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 12:56:07,164 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 12:56:07,222 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:56:07,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 12:56:07,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 12:56:07,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 12:56:07,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 12:56:07,307 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 12:56:07,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-14 12:56:07,325 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37b7b298, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 12:56:07,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 12:56:07,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:56:07,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:56:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1519702230, now seen corresponding path program 1 times [2024-11-14 12:56:07,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:56:07,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846982599] [2024-11-14 12:56:07,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:56:07,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:56:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 12:56:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 12:56:08,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 12:56:08,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846982599] [2024-11-14 12:56:08,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846982599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 12:56:08,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 12:56:08,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 12:56:08,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132262912] [2024-11-14 12:56:08,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 12:56:08,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 12:56:08,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 12:56:08,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 12:56:08,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 12:56:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:56:08,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 12:56:08,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 12:56:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:56:11,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 12:56:11,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 12:56:11,811 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 12:56:11,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 12:56:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash 858638432, now seen corresponding path program 1 times [2024-11-14 12:56:11,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 12:56:11,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696844697] [2024-11-14 12:56:11,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 12:56:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 12:56:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 12:56:11,930 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 12:56:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 12:56:12,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 12:56:12,032 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 12:56:12,033 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 12:56:12,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 12:56:12,042 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 12:56:12,044 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2024-11-14 12:56:12,095 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 12:56:12,095 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 12:56:12,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 12:56:12,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 12:56:12 BasicIcfg [2024-11-14 12:56:12,112 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 12:56:12,113 INFO L158 Benchmark]: Toolchain (without parser) took 6331.22ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 53.7MB in the beginning and 66.4MB in the end (delta: -12.7MB). Peak memory consumption was 50.1MB. Max. memory is 8.0GB. [2024-11-14 12:56:12,113 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:56:12,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.86ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 47.8MB in the end (delta: 5.7MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. [2024-11-14 12:56:12,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.53ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 44.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 12:56:12,113 INFO L158 Benchmark]: Boogie Preprocessor took 30.31ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 12:56:12,113 INFO L158 Benchmark]: RCFGBuilder took 624.09ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 47.9MB in the end (delta: -5.0MB). Peak memory consumption was 28.5MB. Max. memory is 8.0GB. [2024-11-14 12:56:12,114 INFO L158 Benchmark]: TraceAbstraction took 5028.42ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 47.4MB in the beginning and 66.4MB in the end (delta: -19.0MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. [2024-11-14 12:56:12,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 603.86ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 47.8MB in the end (delta: 5.7MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.53ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 44.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 30.31ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 42.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 624.09ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 47.9MB in the end (delta: -5.0MB). Peak memory consumption was 28.5MB. Max. memory is 8.0GB. * TraceAbstraction took 5028.42ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 47.4MB in the beginning and 66.4MB in the end (delta: -19.0MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30206, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 712, dependent conditional: 537, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29754, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29754, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 345, dependent conditional: 170, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 0, independent unconditional: 29494, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 0, independent unconditional: 29494, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14456, independent: 14281, independent conditional: 0, independent unconditional: 14281, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14456, independent: 14214, independent conditional: 0, independent unconditional: 14214, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3556, independent: 577, independent conditional: 0, independent unconditional: 577, dependent: 2979, dependent conditional: 0, dependent unconditional: 2979, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 29839, independent: 15213, independent conditional: 0, independent unconditional: 15213, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 14456, unknown conditional: 0, unknown unconditional: 14456] , Statistics on independence cache: Total cache size (in pairs): 14456, Positive cache size: 14281, Positive conditional cache size: 0, Positive unconditional cache size: 14281, Negative cache size: 175, Negative conditional cache size: 0, Negative unconditional cache size: 175, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3091, Maximal queried relation: 1, Independence queries for same thread: 452, Persistent sets #1 benchmarks: Persistent set computation time: 3.9s, Number of persistent set computation: 2434, Number of trivial persistent sets: 2172, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26748, independent: 26573, independent conditional: 0, independent unconditional: 26573, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30206, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 712, dependent conditional: 537, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29754, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29754, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 2921, independent unconditional: 26573, dependent: 345, dependent conditional: 170, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 0, independent unconditional: 29494, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29839, independent: 29494, independent conditional: 0, independent unconditional: 29494, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14456, independent: 14281, independent conditional: 0, independent unconditional: 14281, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14456, independent: 14214, independent conditional: 0, independent unconditional: 14214, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3556, independent: 577, independent conditional: 0, independent unconditional: 577, dependent: 2979, dependent conditional: 0, dependent unconditional: 2979, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 29839, independent: 15213, independent conditional: 0, independent unconditional: 15213, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 14456, unknown conditional: 0, unknown unconditional: 14456] , Statistics on independence cache: Total cache size (in pairs): 14456, Positive cache size: 14281, Positive conditional cache size: 0, Positive unconditional cache size: 14281, Negative cache size: 175, Negative conditional cache size: 0, Negative unconditional cache size: 175, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3091, Maximal queried relation: 1, Independence queries for same thread: 452 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; VAL [A={4:0}, __global_lock={3:0}] [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={4:0}, A_mutex={5:0}, __global_lock={3:0}] [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1267] 0 struct s *p; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1268] 0 A = malloc(sizeof(struct s)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1269] EXPR 0 \read(*A) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={9:0}, \old(x)=3, __global_lock={3:0}, p={9:0}, x=3] [L1247] 0 p -> next = ((void *)0) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={9:0}, \old(x)=3, __global_lock={3:0}, p={9:0}, x=3] [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, t_ids={15:0}] [L1270] 0 int i=0; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1270] COND TRUE 0 i<10000 VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={-2:0}, \old(x)=7, __global_lock={3:0}, p={-2:0}, x=7] [L1247] 1 p -> next = ((void *)0) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={-2:0}, \old(x)=7, __global_lock={3:0}, p={-2:0}, x=7] [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1250] 1 p->next = *list VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1251] 1 *list = p VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1259] RET 1 insert(p, &A) [L1270] 0 i++ VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1270] COND TRUE 0 i<10000 VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1262] EXPR 1 p->datum VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] [L1235] 1 reach_error() VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 319 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 12:56:12,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...